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A college student purchased textbooks in three subjects-biology, calculus, and economics. The price of the biology textbook was 25 percent less than the price of the calculus textbook and 5 percent greater than the price of the economics textbook. The price of the calculus textbook was what percent greater than the price of the economics textbook?
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2.4.2 百分比多少关系的描述
2.4.2 百分比多少关系的描述
以上解析由 考满分老师提供。
